21444044114 has 4 divisors (see below), whose sum is σ = 32166066174. Its totient is φ = 10722022056.

The previous prime is 21444044047. The next prime is 21444044123. The reversal of 21444044114 is 41144044412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20316226225 + 1127817889 = 142535^2 + 33583^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5361011027 + ... + 5361011030.

Almost surely, 2^21444044114 is an apocalyptic number.

21444044114 is a deficient number, since it is larger than the sum of its proper divisors (10722022060).

21444044114 is a wasteful number, since it uses less digits than its factorization.

21444044114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722022059.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 21444044114 its reverse (41144044412), we get a palindrome (62588088526).

The spelling of 21444044114 in words is "twenty-one billion, four hundred forty-four million, forty-four thousand, one hundred fourteen".